We present experimental evidence on the impact of a technology-aided after-school instruction program on learning … relative gain was much greater for academically-weaker students because their rate of learning in the control group was close … to zero. We show that the program was able to effectively cater to the very wide variation in student learning levels …

Though online technology has generated excitement about its potential to increase access to education, most research has focused on comparing student performance across online and in-person formats. We provide the first evidence that online education affects the number of people pursuing formal...